Fidelity analysis of the photon-spin quantum state transfer

Y. Rikitake; H. Imamura; Hideo Kosaka

doi:10.1002/pssc.200672871

Fidelity analysis of the photon-spin quantum state transfer

Y. Rikitake, H. Imamura, Hideo Kosaka

Research Institute of Electrical Communication (RIEC)

Research output: Contribution to journal › Conference article › peer-review

Abstract

We theoretically analyze yield and fidelity of the quantum state transfer (QST) from a photon polarization qubit to an electron spin qubit with a spin-coherent photo-detector consisting of a semiconductor quantum dot. We use the modified one-dimensional light-atom interaction model which include the parameters such as photon-dot interaction, tunneling rate of the created hole and the bandwidth of the input photon and the electron-hole exchange interaction. We find the optimal conditions where both the high-yield and high fidelity QST is realized.

Original language	English
Pages (from-to)	4350-4353
Number of pages	4
Journal	Physica Status Solidi (C) Current Topics in Solid State Physics
Volume	3
Issue number	12
DOIs	https://doi.org/10.1002/pssc.200672871
Publication status	Published - 2006 Dec 1
Event	4th International Conference on Physics and Applications of Spin-related Phenomena in Semiconductors, PASPS-IV - Sendai, Japan Duration: 2006 Aug 15 → 2006 Aug 18

ASJC Scopus subject areas

Condensed Matter Physics

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AU - Imamura, H.

AU - Kosaka, Hideo

PY - 2006/12/1

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N2 - We theoretically analyze yield and fidelity of the quantum state transfer (QST) from a photon polarization qubit to an electron spin qubit with a spin-coherent photo-detector consisting of a semiconductor quantum dot. We use the modified one-dimensional light-atom interaction model which include the parameters such as photon-dot interaction, tunneling rate of the created hole and the bandwidth of the input photon and the electron-hole exchange interaction. We find the optimal conditions where both the high-yield and high fidelity QST is realized.

AB - We theoretically analyze yield and fidelity of the quantum state transfer (QST) from a photon polarization qubit to an electron spin qubit with a spin-coherent photo-detector consisting of a semiconductor quantum dot. We use the modified one-dimensional light-atom interaction model which include the parameters such as photon-dot interaction, tunneling rate of the created hole and the bandwidth of the input photon and the electron-hole exchange interaction. We find the optimal conditions where both the high-yield and high fidelity QST is realized.

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JO - Physica Status Solidi C: Conferences

JF - Physica Status Solidi C: Conferences

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T2 - 4th International Conference on Physics and Applications of Spin-related Phenomena in Semiconductors, PASPS-IV

Y2 - 15 August 2006 through 18 August 2006

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Fidelity analysis of the photon-spin quantum state transfer

Abstract

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